The Intel® Xeon® processor E3-1200 v2 product family offers up to 32% more energy efficient performance

The Intel® Xeon® processor E3-1200 v2 product family offers up to 32% more energy efficient performance than previous generation Intel® Xeon® processor-based servers.

A number of technologies have been added or upgraded to improve I/O bandwidth, gain faster access to commonly used programs and files, allow applications to run faster, increase data throughput, and improve the performance of disc-intensive retrieval applications.



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http://www.intel.com/content/www/us/en/processors/xeon/xeon-processor-e3-family.html